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Aeroplane

Description: Patent for an aeroplane that uses centrifugal blowers to ensure a safe and practicable flight. Illustrations included.
Date: May 26, 1908
Creator: Judson, Fred I.

Well-Drilling Machinery

Description: Patent for a drill used to drill wells in alluvial deposits. Illustrations included.
Date: May 26, 1908
Creator: Decker, Harry R.

Pipe-Lifter

Description: Patent for a pipe lifter to lift and hold pipes in place. Illustrations included.
Date: May 26, 1908
Creator: Layne, Mahlon E.
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